Elimination of Invasive Alien Fish Species from a Pond in Fukuoka Prefecture

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  • Onikura Norio
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Nakajima Jun
    Fukuoka Institute of Health and Environmental Sciences | Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University | Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Eguchi Katsuhisa
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Nakatani Yuuya
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Kaneto Jun
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Inui Ryutei
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Kawagishi Motoyoshi
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University
  • Tomiyama Yuuta
    Laboratory of Aquatic Field Science, Division of Aquatic Field Science, Department of Animal and Marine Biosource Science, Graduate school of Bioresource and Bioenvironmental Sciences, Kyushu University

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Other Title
  • 福岡県内の溜池における外来魚の池干しによる駆除
  • フクオカ ケンナイ ノ タメイケ ニ オケル ガイライギョ ノ イケ ボシ ニ ヨル クジョ

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Invasive alien fishes such as Micropterus salmoides and Lepomis macrochirus were eliminated from a pond in Fukuoka Prefecture. We selected the Shirouzu Pond from among 12 ponds by screening on the basis of the distribution and population of invasive alien fishes, rate of revetment with concrete, feasibility of pond drying methods, and presence of threatened fish and insect species. In the Shirouzu Pond, Micropterus salmoides(70kg) and Lepomis macrochirus(120kg) were collected and eliminated in 1 day. In the case of other ponds, we estimated that the elimination of invasive fishes was required in the Chinzei Pond, which had several threatened insect and fish species. We conducted ecological research on the invasive fishes present in the pond because it was not possible to conduct pond drying methods in this pond. The finding of this research suggested that capturing the larvae and juveniles of the invasive fishes in the growth area or destroying the spawning sites were the best methods for eliminating these species from the pond.

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